English verb conjugation MUST EXTEMPORIZE

Regular verb: extemporize - extemporized - extemporized

Affirmation

Simple form

I must extemporize
you must extemporize
he must extemporize
we must extemporize
you must extemporize
they must extemporize

V-ing form

I must be extemporizing
you must be extemporizing
he must be extemporizing
we must be extemporizing
you must be extemporizing
they must be extemporizing

Perfect

I must have extemporized
you must have extemporized
he must have extemporized
we must have extemporized
you must have extemporized
they must have extemporized

V-ing perfect

I must have been extemporizing
you must have been extemporizing
he must have been extemporizing
we must have been extemporizing
you must have been extemporizing
they must have been extemporizing

Negation

Simple form

I mustn't extemporize
you mustn't extemporize
he mustn't extemporize
we mustn't extemporize
you mustn't extemporize
they mustn't extemporize

V-ing form

I mustn't be extemporizing
you mustn't be extemporizing
he mustn't be extemporizing
we mustn't be extemporizing
you mustn't be extemporizing
they mustn't be extemporizing

Perfect

I mustn't have extemporized
you mustn't have extemporized
he mustn't have extemporized
we mustn't have extemporized
you mustn't have extemporized
they mustn't have extemporized

V-ing perfect

I mustn't have been extemporizing
you mustn't have been extemporizing
he mustn't have been extemporizing
we mustn't have been extemporizing
you mustn't have been extemporizing
they mustn't have been extemporizing

Interrogative form

Simple form

must I extemporize?
must you extemporize?
must he extemporize?
must we extemporize?
must you extemporize?
must they extemporize?

V-ing form

must I be extemporizing?
must you be extemporizing?
must he be extemporizing?
must we be extemporizing?
must you be extemporizing?
must they be extemporizing?

Perfect

must I have extemporized?
must you have extemporized?
must he have extemporized?
must we have extemporized?
must you have extemporized?
must they have extemporized?

V-ing perfect

must I have been extemporizing?
must you have been extemporizing?
must he have been extemporizing?
must we have been extemporizing?
must you have been extemporizing?
must they have been extemporizing?

Interro-negative form

Simple form

mustn't I extemporize?
mustn't you extemporize?
mustn't he extemporize?
mustn't we extemporize?
mustn't you extemporize?
mustn't they extemporize?

V-ing form

mustn't I be extemporizing?
mustn't you be extemporizing?
mustn't he be extemporizing?
mustn't we be extemporizing?
mustn't you be extemporizing?
mustn't they be extemporizing?

Perfect

mustn't I have extemporized?
mustn't you have extemporized?
mustn't he have extemporized?
mustn't we have extemporized?
mustn't you have extemporized?
mustn't they have extemporized?

V-ing perfect

mustn't I have been extemporizing?
mustn't you have been extemporizing?
mustn't he have been extemporizing?
mustn't we have been extemporizing?
mustn't you have been extemporizing?
mustn't they have been extemporizing?

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